Lake Saint Louis, MO Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Clear 18°F
Feels Like 16°F  
Humidity 80% Dew Point 14°F Wind W 2 MPH Gusts 6 Barometer 30.05 in.
Report from a personal weather station 1.6 mi. NNE of central Lake Saint Louis
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Point Forecast at a Glance

ThuDec 4
Thu Dec 4: Partly Sunny, High 22F, Low 12F
22
12
FriDec 5
Fri Dec 5: Sunny, High 41F, Low 25F
41
25
SatDec 6
Sat Dec 6: Partly Sunny, High 38F, Low 25F
38
25
SunDec 7
Sun Dec 7: Snow, High 32F, Low 17F
20%
32
17
MonDec 8
Mon Dec 8: Mostly Sunny, High 32F, Low 24F
32
24
TueDec 9
Tue Dec 9: Mostly Sunny, High 44F, Low 32F
44
32
WedDec 10
Wed Dec 10: Rain, High 46F
20%
46
 

7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 22°F to a high of 46°F by week's end. Some precipitation possible, including both rain and snow.

Climate Context

This week's forecast shows temperatures running 8°F below the historical average for December. Normal highs for this period are around 44°F with lows around 26°F.

This Date in Weather History

1987 - A cold front crossing the Pacific Coast Region brought high winds and heavy rain to California. Thunderstorm winds gusted to 55 mph at Newport Beach CA, and Mount Wilson CA was drenched with 2.17 inches of rain in six hours. Gale force winds prevailed along the Northern Pacific Coast, and winds in the Tehachapis Mountains of southern California gusted to 60 mph.

More on this and other weather history

Lake Saint Louis, MO 7 Day Weather Forecast Details

Thursday Dec 4

Partly Sunny

Day: Partly sunny, with a high near 22. Northeast wind 5 to 8 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 12. Calm wind becoming south around 5 mph after midnight.

Friday Dec 5

Sunny

Day: Sunny, with a high near 41. Calm wind becoming south around 6 mph in the morning.

Mostly Cloudy

Night: Mostly cloudy, with a low around 25. South wind around 5 mph becoming calm after midnight.

Saturday Dec 6

Partly Sunny

Day: Partly sunny, with a high near 38. Calm wind becoming east around 5 mph in the afternoon.

Snow

Night: A 30 percent chance of snow after midnight. Cloudy, with a low around 25.

Sunday Dec 7

Snow

Day: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 32.

Mostly Cloudy

Night: Mostly cloudy, with a low around 17.

Monday Dec 8

Mostly Sunny

Day: Mostly sunny, with a high near 32.

Partly Cloudy

Night: Partly cloudy, with a low around 24.

Tuesday Dec 9

Mostly Sunny

Day: Mostly sunny, with a high near 44.

Mostly Cloudy

Night: Mostly cloudy, with a low around 32.

Wednesday Dec 10

Rain

Day: A 20 percent chance of rain. Mostly cloudy, with a high near 46.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.